package com.lc.schedule.filter;

import com.lc.schedule.pojo.SysUser;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @author liuchun
 */
//@WebFilter(urlPatterns = {"/showSchedule.html","/schedule/*"})
public class LoginFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
           HttpServletRequest request = (HttpServletRequest) servletRequest;
           HttpServletResponse response = (HttpServletResponse) servletResponse;
           HttpSession session = request.getSession();
           SysUser  sysUser = (SysUser)session.getAttribute("SysUser");
        if (sysUser != null){
                filterChain.doFilter(request,response);
            }else {
                response.sendRedirect("/login.html");
            }

    }

    @Override
    public void destroy() {

    }
}
